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Case File

CVE-2020-15866

CRITICAL · CVSS 9.8 EPSS 2.09% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-07-21 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-15866
Severity
CRITICAL
CVSS
9.8
EPSS
2.09%

Original NVD Description

mruby through 2.1.2-rc has a heap-based buffer overflow in the mrb_yield_with_class function in vm.c because of incorrect VM stack handling. It can be triggered via the stack_copy function.

Related CVEs

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